Cheap Mercedes Benz Slk cars under £20,000
With a budget of £20,000 you can grab a great bargain. Most of the cars advertised on our site are heavily reduced in price and come with a free history check
140 Mercedes Benz Slk cars under £20,000 - 40 reductions
Change budget
Recently reduced (40)
£18,990
Was £19,490 Save £500
Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol 7G Tronic (288 g/km, 360 bhp)
2007 | 61,000 miles | Convertible | 5439 | petrol | automatic | 2 doors
Features include anti lock brakes, black, adjustable steering column/wheel, climate control, leather, alarm, central door locking, parktronic, immobiliser, driver, adjustable steering column, alloy wheels, cruise control, bluetooth, steering wheel leather, exterior l...eee
£18,950
Was £19,950 Save £1,000
Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol Automatic (288 g/km, 360 bhp)
2005 | 48,432 miles | Convertible | 5439 | petrol | automatic | 2 doors
Features include immobiliser, air bag, air bag passenger, leather, spare wheel, black, electronic stability programme, air bag driver, adjustable steering column, driver, electric windows, passenger, pas, adjustable steering column/wheel, speakers, computer, steering...eee
£18,489
Was £18,749 Save £260
Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS MCT Euro 5 (s/s) (421 ps)
2012 | 56,000 miles | Convertible | 5461 | petrol | automatic | 2 doors
This car has navigation system, central locking, headlight wash, brake assist, sports suspension, cd radio, alloy wheels, parking sensors, cruise control, rear parking sensors, airbag, sat nav, abs, air con, airbags, tinted glass, alarm, electric windows, leather...eee
£13,295
Was £13,449 Save £154
Mercedes Benz SLK 2.1 SLK 250 D AMG SPORT 2d 201 BHP
2015 | 34,500 miles | Convertible | 2143 | diesel | automatic | 2 doors
Description includes bluetooth, dab radio, anti lock braking system, audio, parking sensors, abs, bluetooth interface, rear parking sensor, airbags, alloy wheels, leather, 18in alloy wheels, air conditioning, radio, speed limiter, rear parking sensors, airbag, audio 20, ...eee
£11,500
Was £11,990 Save £490
Mercedes Benz SLK 1.8 SLK200 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (184 ps)
2014 | 48,500 miles | Convertible | 1796 | petrol | automatic | 2 doors
Features on this model include 18in alloy wheels, leather, hpi clear, part exchange welcome, heated front seat, head restraints, black, satellite navigation, alarm, automatic, heated seats, audio, dab radio, heated front seats, climate control, bluetooth interface, air con, speed ...eee
£10,495
Was £10,995 Save £500
Mercedes Benz SLK 3.0 SLK280 7G Tronic 2dr
2007 | 24,700 miles | Convertible | 2996 | petrol | automatic | 0 doors
Features include third brake light, side protection mouldings, central door locking, tinted glass, cloth, fsh, alarm, adjustable steering column/wheel, alloy wheels, anti lock brakes, speakers, steering wheel mounted controls, fog lights, electric windows, air con, a...eee
£9,750
Was £9,950 Save £200
Mercedes Benz SLK SLK 200 BlueEFFICIENCY AMG Sport 2dr Tip Auto
2012 | 54,000 miles | Convertible | 1796 | petrol | automatic | 2 doors
Comes with tyre pressure loss warning system, bluetooth interface, cruise control, 18in alloy wheels, tinted glass, alloy wheels, sports suspension, immobiliser, head restraints, automatic headlamp activation, alarm, esp, automatic, bluetooth, wind deflector, e...eee
£9,495
Was £11,495 Save £2,000
Mercedes Benz SLK 2.1 SLK250 CDI BlueEfficiency AMG Sport G Tronic+ Euro 5 (s/s) 2dr Only 39000 Miles
2012 | 39,000 miles | Convertible | 2143 | diesel | automatic | 0 doors
Comes with electronic stability programme, passenger, driver, remote central locking, anti lock braking system, central locking, bluetooth, locking wheel bolts, brake assist, immobiliser, usb, bluetooth interface, electric windows, radio, abs, airbags, airbag, ...eee
£9,495
Was £9,995 Save £500
Mercedes Benz SLK 2.1 SLK250 CDI AMG Sport Convertible 2dr Diesel G Tronic+ Euro 5 (s/s) (204 ps)
2015 | 53,801 miles | Convertible | 2143 | diesel | automatic | 2 doors
This model has alloys, leather, coupe, service history, airbag, audio, airbags, full service history, air conditioning, navigation system, anti lock braking system, 18in alloy wheels, black, automatic, radio, abs, brake assist, warranty, audio 20, passenger, alloy ...eee
£9,395
Was £9,995 Save £600
Mercedes Benz SLK DIESEL CONVERTIBLE
2013 | 42,000 miles | Convertible | 2143 | diesel | automatic | 2 doors
Comes with tyre pressure loss warning system, automatic, air conditioning, mot, electronic stability programme, cruise control, 17in alloy wheels, usb, alarm, immobiliser, navigation system, speakers, head restraints, sunroof, remote boot release, bluetooth, au...eee
140 cars under £20,000
£19,991
Mercedes Benz SLK 5.4 SLK55 V8 AMG Convertible 2dr Petrol G Tronic Euro 4 (360 ps)
2009 | 56,555 miles | Convertible | 5439 | petrol | automatic | 2 doors
This car has full service history, bluetooth system, climate control, centre console storage, pas, audio 20, bluetooth, sports suspension, alloy wheels, passenger, speakers, bluetooth interface, auto climate control, mp3 compatible, radio, wind deflector, service...eee
£18,990
Was £19,490 Save £500
Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol 7G Tronic (288 g/km, 360 bhp)
2007 | 61,000 miles | Convertible | 5439 | petrol | automatic | 2 doors
This model has climate control, heated seats, driver, bluetooth, electronic stability programme, central door locking, alloy wheels, adjustable steering column/wheel, steering wheel mounted controls, steering wheel leather, service history, alarm, anti lock brakes,...eee
£18,950
Was £19,950 Save £1,000
Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2dr Petrol Automatic (288 g/km, 360 bhp)
2005 | 48,432 miles | Convertible | 5439 | petrol | automatic | 2 doors
Comes with air bag, adjustable steering column, immobiliser, adjustable steering column/wheel, electronic stability programme, power assisted steering, air bag passenger, steering wheel mounted controls, electric windows, alarm, driver, climate control, spare w...eee
£18,489
Was £18,749 Save £260
Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS MCT Euro 5 (s/s) (421 ps)
2012 | 56,000 miles | Convertible | 5461 | petrol | automatic | 2 doors
Description includes air conditioning, alarm, radio, heated front seat, cd radio, alloy wheels, cd, abs, tinted glass, sports suspension, voice control, sat nav, headlight wash, passenger, anti lock braking system, 18in alloy wheels, immobiliser, airbag, leather, heated ...eee
£17,999
Mercedes Benz SLK 3.5 SLK350 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (306 ps)
2014 | 27,227 miles | Convertible | 3498 | petrol | automatic | 2 doors
Comes with wind deflector, anti lock braking system, navigation system, heated front seats, alloy wheels, automatic, convertible, bluetooth connectivity, abs, dab radio, parktronic, radio, 18in alloy wheels, leather, black, leather steering wheel, coupe, automa...eee
£17,350
Mercedes Benz SLK 5.5 SLK55 V8 AMG Convertible 2dr Petrol SpdS MCT Euro 5 (s/s) (421 ps)
2012 | 79,431 miles | Convertible | 5461 | petrol | automatic | 2 doors
With radio, parktronic, driver, airbags, manual, passenger, brake assist, dab digital radio, electric windows, immobiliser, anti lock braking system, satellite navigation, airbag, cd radio, navigation system, central locking, sports suspension, alloy whee...eee
£16,995
Mercedes Benz SLK 3.5 SLK350 AMG Sport Convertible 2dr Petrol G Tronic+ Euro 5 (s/s) (306 ps)
2015 | 30,000 miles | Convertible | 3498 | petrol | automatic | 2 doors
Features include We have much more to tell you about this car so please feel free to call us for more details...eee
£16,495
Mercedes Benz SLK 2.0 SLK200 AMG Sport Convertible 2dr Petrol G Tronic Euro 6 (s/s) (184 ps)
2016 | 11,435 miles | Convertible | 1991 | petrol | automatic | 2 doors
Features include audio, leather seats, parktronic, parking sensors, air conditioning, 2 keys, leather, front and rear parking sensors, 18in alloy wheels, cruise control, speed limiter, heated front seat, alloy wheels, anti lock braking system, audio 20, air con, fina...eee
£15,000
Mercedes Benz SLK 5.4 SLK55 AMG Convertible 2d 5439cc 7G Tronic
2007 | 63,000 miles | Convertible | 5439 | petrol | automatic | 2 doors
Features include alloy wheels, electric windows, climate control, air bag, central door locking, adjustable steering column/wheel, leather, steering wheel mounted controls, electric windows (front), driver, spare wheel, adjustable steering column, speakers...eee
£14,495
Mercedes Benz SLK 2.0 SLK200 AMG Sport Convertible 2dr Petrol G Tronic Euro 6 (s/s) (184 ps)
2015 | 31,000 miles | Convertible | 1991 | petrol | automatic | 2 doors
This model has We have much more to tell you about this car so please feel free to call us for more details...eee
We currently have 140 Mercedes Benz Slk cars available across the UK priced under £20000.
